The meander distribution biogas digester is a new type of biogas digester designed with advanced fermentation technology and tank structure based on the circular, shallow, and cylindrical biogas digester after screening. Its main characteristics are:

池型结构合理，原料进入池内由分流板进行半控或全控式布流，充分发挥池容负载能力，池容产气率高。

The pool structure is reasonable, and the raw materials enter the pool through a semi controlled or fully controlled flow distribution plate, fully utilizing the load capacity of the pool capacity and achieving high gas production rate.

造价低廉，自身耗能少;操作简单方便，容易推广。

Low cost and low energy consumption; Easy to operate and promote.

采用连续发酵工艺，发酵条件稳定。

Adopting continuous fermentation process, the fermentation conditions are stable.

池底由进料口向出料口倾斜，池底部低点在出料口底部，在倾斜池底的作用下，形成流动推力，实现主发酵池进出料自流。

The bottom of the tank is tilted from the inlet to the outlet, with the low point at the bottom of the outlet. Under the action of the tilted tank bottom, a flow thrust is formed to achieve automatic flow of incoming and outgoing materials in the main fermentation tank.

能够利用外力连动搅拌装置或内部气压进行搅拌，防止料液结壳。

Able to use external force to connect the stirring device or internal air pressure for stirring, to prevent the material liquid from crusting.

该池适用于经济条件好，原料丰富(日进料量100千克)，耗能大的养殖业发达地区，要求家庭成员有一定的文化技术知识，特别适用于能够进行科学管理的养殖户科技户或要求建设沼气池的农户。

This tank is suitable for developed areas in the aquaculture industry with good economic conditions, abundant raw materials (daily feed volume of 100 kilograms), and high energy consumption. It requires family members to have a certain level of cultural and technical knowledge, especially suitable for farming professionals who can carry out scientific management, technology households, or farmers who require the construction of biogas digesters.

二赤泥双面革多功能沼气池

Two red mud double-sided leather multifunctional biogas digester

赤泥双面革多功能沼气池是在水压式沼气池半塑式沼气池及干湿发酵池的基础上，为适应作物秸杆为主要原料的需求而发展起来的一种新型沼气池，其主要特点为：

Red mud double-sided leather multifunctional biogas digester is a new type of biogas digester developed on the basis of hydraulic biogas digester, semi plastic biogas digester, and dry wet fermentation digester to meet the demand of crop straw as the main raw material. Its main characteristics are:

采用池内外堆沤，干湿发酵相结合的发酵工艺。

Adopting a fermentation process that combines internal and external composting and dry wet fermentation.

有较高的池容产气率，平均为0.4米3/米3·天。

There is a high pool capacity gas production rate, with an average of 0.4 m3/m3 · day.

结构简单，施工方便，造价低廉，成本低。

Simple structure, convenient construction, low cost, and low cost.

便于商品化标准化生产，有利于沼气池建设规范化。

Facilitate commercialization and standardized production, and facilitate the standardization of biogas digester construction.

该池主要以作物秸秆为发酵原料，适宜在种植业发达地区的应用。该池价格低廉，每建一个4米3的沼气池，需砖500炔，砂350千克，水泥150千克，外加赤泥双面革沼气罩炉具管道等配件，共投资250元
三铁罐沼气池

This pool mainly uses crop straw as fermentation material, suitable for application in areas with developed planting industries. The price of this biogas tank is low. For each 4m ³ biogas tank built, it requires 500 bricks of acetylene, 350 kilograms of sand, 150 kilograms of cement, and accessories such as red mud double-sided leather biogas hood, stove, pipeline, etc., with a total investment of 250 yuan

铁罐沼气池采用干发酵工艺，是适用于寒冷地区的新型户用沼气池。主要特点为：

The iron tank biogas digester adopts a dry fermentation process and is a new type of household biogas digester suitable for cold regions. The main characteristics are:

池容小，进出料方便，节省劳力。

The pool has a small capacity, convenient feeding and discharging, and saves labor.

罐体生产工艺简单，维修量少

The tank production process is simple and requires minimal maintenance

启动快，产气量足，一般装料后3-5天后便可产气，平均池容产气率为0.6-0.8米3/米3·天。

Fast start-up, sufficient gas production, and gas production can generally occur 3-5 days after loading, with an average tank capacity gas production rate of 0.6-0.8 m3/m3 · day.

坚固耐用，使用时间长，使用寿命可达10年

Durable and durable, with a long service life of up to 10 years

商品化销售，生产不受季节限制，容易达到标准化系列化规范化的要求

Commercialized sales, production not limited by seasons, easy to meet the requirements of standardization, serialization, and standardization

长期处于中温状态，可杀死粪便原料中的虫卵病菌。

Long term exposure to moderate temperature can kill insect egg pathogens in fecal materials.

铁罐沼气池适于北方夏季气温不高，冬夏季温差大的地区

Iron tank biogas digesters are suitable for areas in the north with low summer temperatures and large temperature differences between winter and summer

四两步发酵多功能沼气池

Four two-step fermentation multifunctional biogas digester

两步发酵多功能沼气池是根据沼气发酵分产酸产甲烷阶段进行的学说，将沼气发酵原料的水解产酸和产甲烷分别在不同池内完成的一种沼气池。主要特点：

The two-step fermentation multifunctional biogas digester is a type of biogas digester that is based on the theory of dividing biogas fermentation into acid and methane production stages. The hydrolysis of biogas fermentation raw materials to produce acid and methane is completed in different digesters. Main features:

管理使用方便，常年不需要大出料，在发酵启动阶段需要利用沼渣沼液时，通过循环出料管，用活塞进行人工搅拌和出料。

Easy to manage and use, there is no need for large discharge all year round. When using biogas slurry during the fermentation start-up stage, a circulating discharge pipe is used, and a piston is used for manual mixing and discharge.

产气率高。在原料充足，发酵正常的情况下，产气率比常规池提高2倍以上，冬季采用适当的保温措施可正常使用，并且产气量越高，搅拌强度越大，而且搅拌越强.产气率更高，整个系统处于良性循环。

High gas production rate. Under the condition of sufficient raw materials and normal fermentation, the gas production rate is increased by more than twice compared to conventional tanks. In winter, appropriate insulation measures can be used normally, and the higher the gas production rate, the stronger the stirring intensity, and the higher the gas production rate. The entire system is in a virtuous cycle.

由于循环出料管和下循环管组成的料液自动循环系统，可自动完成搅拌破壳工作，避免了表面结壳和底层沉淀。
      4占地面积小，酸化池可根据地形随意布置，或采用顶返水形式，将酸化池紧靠池顶布局。

Due to the automatic material liquid circulation system composed of the circulating discharge pipe and the lower circulating pipe, it can automatically complete the mixing and shell breaking work, avoiding surface crusting and bottom sedimentation< Br/> & Nbsp& Nbsp; 4. The area is small, and the acidification tank can be arranged according to the terrain or in the form of top return water, with the acidification tank arranged close to the top of the tank.

产酸池料温高，沼气池微生物降解秸秆和转化甲烷速度快。

The material temperature in the acid production tank is high, and the microbial degradation of straw and methane conversion speed in the biogas tank are fast.

五溢流式小型户用沼气池

Five overflow small household biogas digester

溢流式小型产用沼气池是在水压式沼气池的基础上，采用厌氧污泥床(UASB)和厌氧过滤器等发酵装置的新型沼气池。

Overflow small-scale production biogas digester is a new type of biogas digester that uses anaerobic sludge bed (UASB) and anaerobic filter fermentation devices on the basis of hydraulic biogas digester.

主要特点：

Main features:

发酵充分，发酵原料流经路径长，克服了水压式沼气池易短路的问题，原料分解充分，利用率高。

The fermentation is sufficient, and the fermentation raw materials flow through a long path, overcoming the problem of short circuits in hydraulic biogas digesters. The raw materials are fully decomposed and the utilization rate is high.

压力稳定，不仅有利于灯灶具燃烧，还解决了由于水压池压力变化大，影响沼气微生物的代谢活性问题。

Stable pressure not only benefits the combustion of lamps and stoves, but also solves the problem of affecting the metabolic activity of biogas microorganisms due to large pressure changes in the water pressure pool.

管理方便，不需大换料。

Easy management, no need for major material changes.

具有较高的产气率，平均池容产气率为0.4米3/米3·天。

It has a high gas production rate, with an average pool capacity gas production rate of 0.4 m3/m3 · day.

主要部件可工厂化生产，保证建池质量。

The main components can be factory produced to ensure the quality of the pool construction.

六塞流式自循环小型沼气池

Six plug flow self circulation small biogas digester

塞流式自循环小型沼气池是采用塞流式进料，抽提式出料，池内自循环技术的新型沼气池。主要特点为：

The plug flow self circulation small biogas digester is a new type of biogas digester that uses plug flow feed, extraction discharge, and internal self circulation technology. The main characteristics are:

工艺流程合理，价格低廉。

The process flow is reasonable and the price is low.

采用抽提式出渣器，防止了料液的结壳和沉淀。

The use of an extraction type slag extractor prevents the crusting and sedimentation of the material liquid.

实现料液的自动循环，防止池内料液短路，使微生物与新鲜原料充分接触。

Realize automatic circulation of material and liquid, prevent short circuit of material and liquid in the pool, and fully contact microorganisms with fresh raw materials.

产气率高，占地面积小

High gas production rate and small footprint

该池适用于养殖业发达的南方地区。造价低廉，池容4米3，造价260-300元，每立方米成本为65-70元。

This pool is suitable for southern regions with developed aquaculture. The cost is low, with a pool capacity of 4 meters, a cost of 260 to 300 yuan, and a cost of 65 to 70 yuan per cubic meter.

七浮罩沼气池

Seven floating hood biogas digester

以禽畜粪便为发酵原料，从厌氧池底部进料，沼液经厌氧池从上部通过溢流管自溢流入贮粪池;沼渣通过设置在其底部的出料口排入贮粪池，或者回流到料管，起到搅拌和污泥菌种回流的作用，以保留菌种，并使发酵原料与新鲜料液混合均匀，加快发酵原料的分解。沼气贮存在浮置内供用户使用。

Using poultry and livestock manure as fermentation raw materials, feed is fed from the bottom of the anaerobic tank, and the biogas slurry flows into the septic tank through the overflow pipe from the top through the anaerobic tank; The biogas residue is discharged into the septic tank or returned to the material pipe through a discharge outlet at the bottom, playing a role in stirring and returning sludge bacteria to retain the bacteria, and mixing the fermentation raw materials evenly with the fresh liquid to accelerate the decomposition of the fermentation raw materials. Biogas is stored in a floating structure for users to use.

构造简单，施工方便。可使用目前已推广的水压式沼气池的模具。

Simple structure and convenient construction. The molds of the currently promoted hydraulic biogas digester can be used.

提高了池容产气率和原料的利用率。解决了沼气产气率低，夏冬季产气不均衡和冬季产气的问题。

The gas production rate of the pool capacity and the utilization rate of raw materials have been improved. Solved the problems of low biogas production rate, uneven gas production in summer and winter, and winter gas production.

解决了出料难的问题。三年之内不要下池出沉渣，劳动强度轻，可靠。

Solved the problem of difficult discharge. Do not release sediment from the pool within three years, as the labor intensity is light and reliable.

管理简单。能自动进料，自动溢料，满足农户用肥需要，每年管理用工不超过一个工日。

Simple management. It can automatically feed and overflow to meet the fertilizer needs of farmers, and the annual management labor does not exceed one working day.

该池广泛适用于以人畜禽粪便为发酵原料的农村户用沼气池或畜牧场沼气工程，地温在10℃以上均能正常运行，不受地区限制。

This pool is widely applicable to rural household biogas digesters or livestock farm biogas projects that use human and livestock manure as fermentation materials. It can operate normally with a ground temperature above 10 ℃ and is not limited by local conditions.

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